evolution vocabulary Crossword
This printable crossword puzzle on the topic of Ecology & Evolution has 15 clues. Answers range from 4 to 21 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
a group of similar organism that can mate with each other and produce fertile offspring
a fossil formed when minerals replace all or part of an organism
The million fossils that breaks down into a different elements
An unstable element that breaks down into different elements
theory that evolution occurs slowly but steadily
A well tested concept that explains a wide rang of observation
A difference between individuals of the same species
theory that species evolve during short periods of rapid change
type of fossil that forms when a mld becomes filled in with minerals that then harden
preserved remains of an organisms that lived in the past
time it takes for half of the atoms in a radioactive element to decay
when no members of a species are still alive
a trait that helps an organism survived reproduce
gradual change in species over time
setoff information that controls a trait
